PURPOSE: To obtain a device of electric explosionproof type by penetration- forming a fluid pipe line in a fixed side block and a fluid pipe line, connectable to the fluid pipe line, in a moving side block and connecting a pipe, connected to various equipments, to each pipe line, both the blocks and all the pipe lines.
CONSTITUTION: In a moving side block 5, a power-use air pipe line 6, signal-use air pipe line 7, etc. are provided simultaneously with moving side block supporting lever units 8, 8 protruded, engaged with and supported to block supporting protrusive parts 3, 3. In a station block 15, air supplying pipe lines 18, 19, possible to circulate with the power-use and signal-use air pipe lines 6, 7 provided in the moving side block 5 at the time of connection thereto, are penetration-formed. As a result, operation and control of a moving side device can be all processed by a fluid pressure with no electric system circuit and analog system accurate sensor required.
| JP3173620 | ROTARY JOINT |
| JP4080711 | Selective connection device for fluid pipelines |
TANAKA KAZUO
ONO TSUNEMITSU
| JPH01283496A | 1989-11-15 |